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Bairdia hassi
Taxonomy
Bairdia hassi was named by Sohn (1960). Its type specimen is USNM 89480 and is a 3D body fossil.
Sister species lacking formal opinion data
B. africana, B. altifrons, B. anomala, B. antamputata, B. auricula, B. austriaca, B. billjohnsoni, B. birinae, B. bradfieldi, B. cassiana, B. ciscoensis, B. colonensis, B. condylus, B. confragosaeformis, B. crebra, B. croneisi, B. croskeina, B. cultrijugati, B. dissortis, B. dolicha, B. egorovi, B. eleziana, B. eleziana, B. exoura, B. fabaeformis, B. fusca, B. gibbosa, B. gosportensis, B. haworthi, B. hilda, B. hisingeriformis, B. hispida, B. hiwannensis, B. hondurasensis, B. isoscelata, B. kaschewarovae, B. kawakensis, B. kelleri, B. kinderhookensis, B. knuepferi, B. legumen, B. longisetosa, B. manifesta, B. meishanensis, B. moorei, B. mucronata, B. multihilosa, B. nitida, B. oklahomensis, B. opisthorhadina, B. paraproba, B. peneovoidea, B. philippovae, B. pinnula, B. proxischimensis, B. psiegorkiensis, B. rectifrontis, B. singularis, B. soldadensis, B. subcitriformis, B. subeleziana, B. subvexa, B. summa, B. turgida, B. urodeliformis, B. virga, B. feliumgibba, B. pompillioides, B. gliberti
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Bairdia hassi Sohn p. 27 figs. Pl 1, figs 28,29 |
| 1987 | Bairdia hassi Shi and Chen p. 38 figs. Pl 2, figs 11-19 |
| 1995 | Bairdia hassi Lethiers et al. fig. 3R |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Bairdia hassi Sohn 1960
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| carapace height | 7 | 0.422 | 0.250 | 0.750 | 0.420 | 0.202 | |
| valve height | 1 | 0.400 | - | - | - | - |
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| Source: o = order, c = class | |||||
| References: Jell and Adrain 2002, Kiessling 2004 | |||||
Age range: base of the Gzhelian to the top of the Changhsingian or 303.70000 to 251.90200 Ma
Collections (62 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gzhelian | USA (Kansas) | Bairdia garrisonensis (95377) | |
| Asselian | USA (Kansas) | Bairdia garrisonensis (110321) Bairdia geisi, Bairdia garrisonensis (95361) | |
| Sakmarian | Australia (Western Australia) | Bairdia hassi (108223 108230 108233 108236 108241 108242 108250 108277 108278 108283 108285 108288 108296 108299 108301 108302) | |
| Sakmarian | USA (Kansas) | Bairdia garrisonensis (88235 93781 110317) | |
| Kungurian | Guatemala | Bairdia hassi (155568 155569 155570 155572 155573 155575 155576 155577 155578 155579) | |
| Capitanian | Azerbaijan | Bairdia hassi (110674 110675) | |
| Capitanian | Russian Federation | Bairdia hassi (124390) | |
| Wuchiapingian | Azerbaijan | Bairdia hassi (110676 110677) | |
| Wuchiapingian | China (Sichuan) | Bairdia hassi (148498) | |
| Changhsingian | China (Sichuan) | Bairdia hassi (148483 148489 148500 148504 148512) | |
| Changhsingian | China (Zhejiang) | Bairdia hassi (97920 117575 117576 117580 117591 117595 117597 117598 117601 117635 117642 117664 117666) | |
| Changhsingian | Iran | Bairdia hassi (220243 220244) | |
| Changhsingian | China (Fujian) | Bairdia hassi (121228 121288 121290 121291) |